@book{
      international1964iaea,
      title={Isotope Techniques for Hydrology},
      author={ },
      series={entity},
      number={23 },
      year={1964},
      isbn={92-0-145064-8 },
      url={/publications/1118/isotope-techniques-for-hydrology },
      publisher={INTERNATIONAL ATOMIC ENERGY AGENCY },
      address={Vienna}
    }